avcodec/loco: Check loco_get_rice() for failure

Fixes: CID1604495 Overflowed constant

Michael Niedermayer committed 2 years ago

Commit d5532761 parent b9899861 file · +2 −0Browse files

Showing the changes to libavcodec (1 of 1 file). Show all

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@@ -157,6 +157,8 @@ static int loco_decode_plane(LOCOContext l, uint8_t data, int width, int heigh · 156 unmodified lines
157	157
158	158	/* restore top left pixel */
159	159	val = loco_get_rice(&rc);
	160	+ if (val == INT_MIN)
	161	+ return AVERROR_INVALIDDATA;
160	162	data[0] = 128 + val;
161	163	/* restore top line */
162	164	for (i = 1; i < width; i++) {

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